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Finding the Fourth Proportional to 2,315.76, 3,473.61 and 560.75

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Solution

The fourth proportional to 2,315.76, 3,473.61 and 560.75 is: 841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.76 : 3,473.61 = 560.75 : x
  2. Step 2: Convert to fraction form
    2,315.76/3,473.61 = 560.75/x
  3. Step 3: Cross multiply
    2,315.76x = 3,473.61 × 560.75
  4. Step 4: Simplify right side
    2,315.76x = 1,947,826.81
  5. Step 5: Solve for x
    x = 1,947,826.81/2,315.76
  6. Step 6: Final answer
    x = 841.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.